170163932423 has 2 divisors, whose sum is σ = 170163932424. Its totient is φ = 170163932422.

The previous prime is 170163932413. The next prime is 170163932473. The reversal of 170163932423 is 324239361071.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (324239361071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 170163932423 - 2⁶ = 170163932359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170163932413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85081966211 + 85081966212.

It is an arithmetic number, because the mean of its divisors is an integer number (85081966212).

Almost surely, 2^170163932423 is an apocalyptic number.

170163932423 is a deficient number, since it is larger than the sum of its proper divisors (1).

170163932423 is an equidigital number, since it uses as much as digits as its factorization.

170163932423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 170163932423 in words is "one hundred seventy billion, one hundred sixty-three million, nine hundred thirty-two thousand, four hundred twenty-three".